The most common stabilization term for cut elements is the face-based ghost penalty [1]}, [2]}, defined as
\(s_h(w_h,v_h) = \sum _{F \in \mathcal {F}_h^{\mathrm {gh}}} \sum _{j=1}^{p} \tau _j h^{2j - 1} (\llbracket \partial _n^j w_h \rrbracket ,\llbracket \partial _n^j v_h \rrbracket )_F\) 
